20873450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1889}}^1$

素因数の和:1931

約数の個数: 48

約数和(自身を含む): 44294040

約数和(自身を除く): 23420590

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 170, 221, 325, 425, 442, 650, 850, 1105, 1889, 2210, 3778, 5525, 9445, 11050, 18890, 24557, 32113, 47225, 49114, 64226, 94450, 122785, 160565, 245570, 321130, 417469, 613925, 802825, 834938, 1227850, 1605650, 2087345, 4174690, 10436725, 20873450]

約数ペア:

[(1, 20873450), (2, 10436725), (5, 4174690), (10, 2087345), (13, 1605650), (17, 1227850), (25, 834938), (26, 802825), (34, 613925), (50, 417469), (65, 321130), (85, 245570), (130, 160565), (170, 122785), (221, 94450), (325, 64226), (425, 49114), (442, 47225), (650, 32113), (850, 24557), (1105, 18890), (1889, 11050), (2210, 9445), (3778, 5525)]